Neutrino Masses and Mixing from Bilinear R-Parity Violation
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Neutrino masses and mixing are generated in a supersymmetric standard model when R-parity is violated in bilinear mass terms. The mixing matrix among the neutrinos takes a restrictive form if the lepton flavor universality holds in the R-parity violating soft masses. It turns out that only the small angle MSW solution to the solar neutrino problem is consistent with the result of the CHOOZ experiment and the atmospheric neutrino data.
7 pages, to appear in conference proceedings "Neutrino Oscillations and their Origin", Fuji-Yoshida, Japan, Feb. 11-13, 2000
7 pages, to appear in conference proceedings "Neutrino Oscillations and their Origin", Fuji-Yoshida, Japan, Feb. 11-13, 2000